Description

4-Methyl-5-Oxy-Furazan-3-Carboxylic Acid is a heterocyclic carboxylic acid derivative, serving as a versatile and high-value synthetic intermediate in advanced organic chemistry. Its unique furazan-oxadiazole core structure makes it a critical building block for the development of novel pharmaceuticals and functional materials. This compound is primarily sought by research institutions and manufacturers in the pharmaceutical, agrochemical, and specialty chemical sectors for constructing complex molecular architectures.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of novel drug candidates, particularly those targeting central nervous system (CNS) disorders and anti-inflammatory applications.
• Agrochemical Synthesis: Used in the research and development of new-generation herbicides and plant growth regulators with specific modes of action.
• Ligand and Chelating Agent: The furazan and carboxylic acid functional groups allow it to act as a ligand for metal complexes in catalytic systems or analytical chemistry.
• Energetic Materials Research: Serves as a starting material for synthesizing high-density, low-sensitivity energetic compounds and propellant additives.
• Polymer Modification: Employed to introduce heterocyclic units into polymer backbones, enhancing thermal stability and specific material properties.
• Chemical Biology Probe Development: Utilized in creating molecular probes and tags for studying biological processes due to its reactive handles.

Basic Information

Product Name	4-Methyl-5-Oxy-Furazan-3-Carboxylic Acid
CAS No.	37132-21-1
Molecular Formula	C5H4N2O4
Molecular Weight	156.10 g/mol
Synonyms	4-Methyl-5-oxo-4,5-dihydro-1,2,5-oxadiazole-3-carboxylic acid; 3-Carboxy-4-methylfuroxan; 4-Methylfuroxan-3-carboxylic acid; 4-Methyl-1,2,5-oxadiazole-3-carboxylic acid 5-oxide; Methylfuroxancarboxylic acid; Furazan-3-carboxylic acid, 4-methyl-5-oxy-; 5-Oxy-4-methyl-furazan-3-carboxylic acid
EINECS	Contact for details

Quality Control

Our 4-Methyl-5-Oxy-Furazan-3-Carboxylic Acid is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing, including HPLC for purity, NMR and IR for structural confirmation, and residual solvent analysis. A Certificate of Analysis (COA) detailing all specifications is provided with every shipment to ensure traceability and compliance with your research or production requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). The container should be kept tightly sealed in a dry environment to minimize exposure to atmospheric moisture.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (NMR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 10 ppm

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.